Winegard Company RT4000T RoadTrip Mission Satellite TV Antennas Ultra-low height (12.9") and small footprint (20") In-motion and stationary Easy one-button operation Automatic aiming Made in the U.S.A! Low profile, fully automatic roof mounted antenna with one button on/off operation Views 1 satellite at a time and automatically switches satellites for seamless viewing Requires minimal roof space and no storage space Compatible with DISH (SD and HD), DIRECTV (SD) and Bell TV (SD and HD) For use while parked or traveling down the road